NVIDIA - GeForce RTX 4080 SUPER vs AMD - Radeon RX 7900 XTX

These two are nearly even on the Mars Score (69.7 vs 70.5). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.

Pick the GeForce RTX 4080 SUPER if you push the hardware — gaming, on-device AI, heavy multitasking — and the extra compute headroom is worth the trade-offs. The biggest gaps in its favor are cuda / stream cores, tdp, 3dmark time spy, among others. The single most decisive one: CUDA / Stream cores — 66.67% more. 10240 vs 6144.

Pick the Radeon RX 7900 XTX if you care most about vram / memory bus. Its strongest claims are vram, memory bus, ray tracing cores. The single most decisive one: VRAM — 50.00% more. 24 GB vs 16 GB.

There are no meaningful ties on the headline specs — every popular-comparison metric has a winner.

Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity says both are well-rounded; the differences are about trade-offs, not quality.